User's Manual

32
exposure guidelines
. If you do not use a body-worn accessory and are
not holding the phone at the ear, position the handset a minimum of 10mm
from your body when the phone is switched on.
Systemupdate
System supports firmware upgrade only from official website or server.
If user uses 3rd party ROM image and/or any other root method to upgrade
firmware,it will cause phone unstable and raise further security risk and
pitfalls. Please be noted user should take all responsibility for all these
behaviors.
Commonfaultdiagnosis
The faults
possible reasons
Can’t turn on
1 、 Whether there is electricity in the
battery；
2、Battery is correct.
SIM is wrong
1、SIM is dirty and clean it；
2、install the SIM again；
3、SIM is wrong，replace it.
Bad signal Check the signal display in the stutas bar.
The phone
can't call
May have a strong jamming signal around the
environment.
Can’t charge
May be the battery discharge. Need to wait
for a few minutes.
Taking pictures
is not clear
Please make sure that both sides of the
camera lens cleaning.